N. ORD.—JUGLAN DACE/-. 156 
GENUS.—JUGLANS,* LINN. 
SEX. SYST.-MONCECIA POLYANDRIA. 
JUGLANS CINEREA. 
BUTTERNUF. 
SYN.—JUGLANS CINEREA, LINN.; JUGLANS CATHARTICA, MICHX.; 
JUGLANS OBLONGA, MILL. 
COM. NAMES._BUTTERNUT, OIL-NUT, WHITE WALNUT; (FR.) NOYER 
GRIS; (GER.) WALLNUSS. 
A TINCTURE OF THE FRESH YOUNG INNER BARK OF JUGLANS CINEREA, LINN. 
Description.—This oblate tree usually attains a height and breadth of from 
25 to 40 feet. Stem early branching, deliquescent; dark strongly aromatic and 
resinous, smoothish when young, and of a grayish color ; wood brown, somewhat 
lighter in color and texture than that of the black walnut, its specific gravity varies 
from .376 to .487, and its weight from 22 to 30 lbs. per cubic foot. Leaves alter- 
nate, compound, odd-pinnate, about one foot long when mature; feézo/es long, 
densely clammy-pubescent ; eaflets opposite, or nearly so, in from 7 to 10 pairs, 
and the terminal one, each oblong-lanceolate, sharply serrate, rounded at the base, 
pointed, and downy beneath. /nflorescence terminal on the branches ; flowers 
moncecious, the fertile ones in a cluster of from 3 to 5, amid the new leaves of the 
season; the stevi/e many, hanging in catkins (aments) from the leaf scars of the 
previous year. Fertile flowers: calyx regular, 4-toothed, clammy-pubescent ; 
corolla consisting of 4 minute feéa/s in the sinuses of the calyx. Sty/e very short 
and comparatively thick; séigmas 2, long, and densely fringed with blunt papillze 
upon their inner surfaces. Sterile flowers: stamens projecting from the rachis of 
the ament in sufficient numbers to cover it throughout its entire length; calyx 
an irregular, horizontal, flat, bracted scale, furnished with a terminal and from 3 to 
5 lateral teeth; s¢amens 8 to 14 or more, irregularly suspended from the under 
surface of the bract; //aments very short and thick; azthers ovate-oblong, 
2-celled, furnished with a short abrupt point. F7wzt oblong, pointed, 2 to 3 inches” 
long and 1 to 1% inches in diameter when green; eficarp fleshy, fibrous, and 
densely covered with a sticky pubescence ; when dry, coriaceous, indehiscent ; exdo- 
carp thick, bony, sculptured with deep rough-edged sinuses; xz? t-celled above, 
2-celled below. 
* The classical name of the walnut, Yuglans regia ; a contraction from Fovis glans, Jupiter’s nut. 
te ; a: 
